Hydrofluoric acid has been produced in Stulln since 1940. In 1982/83 VAW Flussspat-Chemie GmbH constructed a new plant in Stulln which today is still considered as one of the most modern of its kind.

In 1944 VAW Flussspat-Chemie GmbH established Fluorchemie Stulln GmbH, encompassing all hydrofluoric acid operations. On July 1^st 1994 the management of Fluorchemie Stulln GmbH was taken over by Dr. Christian Rocktäschel.